[Python-checkins] [3.10] gh-91118: Fix docstrings that do not honor --without-doc-strings (GH-31769) (#91662)

JelleZijlstra webhook-mailer at python.org
Tue Apr 19 16:01:13 EDT 2022


https://github.com/python/cpython/commit/e7e8a9fa4f7347bc82ea83ed82d447f447dfe325
commit: e7e8a9fa4f7347bc82ea83ed82d447f447dfe325
branch: 3.10
author: Oleg Iarygin <oleg at arhadthedev.net>
committer: JelleZijlstra <jelle.zijlstra at gmail.com>
date: 2022-04-19T13:01:09-07:00
summary:

[3.10] gh-91118: Fix docstrings that do not honor --without-doc-strings (GH-31769) (#91662)

Co-authored-by: Éric <merwok at netwok.org>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra at gmail.com>
(cherry picked from commit a573cb2fec664c645ab744658d7e941d72e1a398)

Co-authored-by: Oleg Iarygin <oleg at arhadthedev.net>

files:
A Misc/NEWS.d/next/Core and Builtins/2022-03-08-21-59-57.bpo-46962.UomDfz.rst
A Misc/NEWS.d/next/Documentation/2022-03-08-22-10-38.bpo-46962.FIVe9I.rst
M Doc/c-api/typeobj.rst
M Doc/extending/newtypes_tutorial.rst
M Doc/includes/custom.c
M Doc/includes/custom2.c
M Doc/includes/custom3.c
M Doc/includes/custom4.c
M Doc/includes/sublist.c
M Modules/_ctypes/_ctypes.c
M Modules/_ctypes/callbacks.c
M Modules/_ctypes/callproc.c
M Modules/_ctypes/cfield.c
M Modules/_testcapimodule.c
M Objects/genericaliasobject.c
M Objects/picklebufobject.c
M Objects/unionobject.c

diff --git a/Doc/c-api/typeobj.rst b/Doc/c-api/typeobj.rst
index 93492200ea44e..d24eabe7e8d55 100644
--- a/Doc/c-api/typeobj.rst
+++ b/Doc/c-api/typeobj.rst
@@ -2596,7 +2596,7 @@ A basic :ref:`static type <static-types>`::
        PyVarObject_HEAD_INIT(NULL, 0)
        .tp_name = "mymod.MyObject",
        .tp_basicsize = sizeof(MyObject),
-       .tp_doc = "My objects",
+       .tp_doc = PyDoc_STR("My objects"),
        .tp_new = myobj_new,
        .tp_dealloc = (destructor)myobj_dealloc,
        .tp_repr = (reprfunc)myobj_repr,
@@ -2626,7 +2626,7 @@ with a more verbose initializer::
        0,                              /* tp_setattro */
        0,                              /* tp_as_buffer */
        0,                              /* tp_flags */
-       "My objects",                   /* tp_doc */
+       PyDoc_STR("My objects"),        /* tp_doc */
        0,                              /* tp_traverse */
        0,                              /* tp_clear */
        0,                              /* tp_richcompare */
@@ -2659,7 +2659,7 @@ A type that supports weakrefs, instance dicts, and hashing::
        PyVarObject_HEAD_INIT(NULL, 0)
        .tp_name = "mymod.MyObject",
        .tp_basicsize = sizeof(MyObject),
-       .tp_doc = "My objects",
+       .tp_doc = PyDoc_STR("My objects"),
        .tp_weaklistoffset = offsetof(MyObject, weakreflist),
        .tp_dictoffset = offsetof(MyObject, inst_dict),
        .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
@@ -2687,7 +2687,7 @@ to create instances (e.g. uses a separate factory func) using
        .tp_name = "mymod.MyStr",
        .tp_basicsize = sizeof(MyStr),
        .tp_base = NULL,  // set to &PyUnicode_Type in module init
-       .tp_doc = "my custom str",
+       .tp_doc = PyDoc_STR("my custom str"),
        .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION,
        .tp_repr = (reprfunc)myobj_repr,
    };
diff --git a/Doc/extending/newtypes_tutorial.rst b/Doc/extending/newtypes_tutorial.rst
index 904915306f1f3..34c25d1f6f199 100644
--- a/Doc/extending/newtypes_tutorial.rst
+++ b/Doc/extending/newtypes_tutorial.rst
@@ -90,7 +90,7 @@ The second bit is the definition of the type object. ::
    static PyTypeObject CustomType = {
        PyVarObject_HEAD_INIT(NULL, 0)
        .tp_name = "custom.Custom",
-       .tp_doc = "Custom objects",
+       .tp_doc = PyDoc_STR("Custom objects"),
        .tp_basicsize = sizeof(CustomObject),
        .tp_itemsize = 0,
        .tp_flags = Py_TPFLAGS_DEFAULT,
@@ -161,7 +161,7 @@ you will need to OR the corresponding flags.
 
 We provide a doc string for the type in :c:member:`~PyTypeObject.tp_doc`. ::
 
-   .tp_doc = "Custom objects",
+   .tp_doc = PyDoc_STR("Custom objects"),
 
 To enable object creation, we have to provide a :c:member:`~PyTypeObject.tp_new`
 handler.  This is the equivalent of the Python method :meth:`__new__`, but
diff --git a/Doc/includes/custom.c b/Doc/includes/custom.c
index f361baf830dd1..26ca754964733 100644
--- a/Doc/includes/custom.c
+++ b/Doc/includes/custom.c
@@ -9,7 +9,7 @@ typedef struct {
 static PyTypeObject CustomType = {
     PyVarObject_HEAD_INIT(NULL, 0)
     .tp_name = "custom.Custom",
-    .tp_doc = "Custom objects",
+    .tp_doc = PyDoc_STR("Custom objects"),
     .tp_basicsize = sizeof(CustomObject),
     .tp_itemsize = 0,
     .tp_flags = Py_TPFLAGS_DEFAULT,
diff --git a/Doc/includes/custom2.c b/Doc/includes/custom2.c
index 5bacab7a2a971..2a3c59f8f04c3 100644
--- a/Doc/includes/custom2.c
+++ b/Doc/includes/custom2.c
@@ -98,7 +98,7 @@ static PyMethodDef Custom_methods[] = {
 static PyTypeObject CustomType = {
     PyVarObject_HEAD_INIT(NULL, 0)
     .tp_name = "custom2.Custom",
-    .tp_doc = "Custom objects",
+    .tp_doc = PyDoc_STR("Custom objects"),
     .tp_basicsize = sizeof(CustomObject),
     .tp_itemsize = 0,
     .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
diff --git a/Doc/includes/custom3.c b/Doc/includes/custom3.c
index 2b7a99ecf96c7..5a47530f0a6b0 100644
--- a/Doc/includes/custom3.c
+++ b/Doc/includes/custom3.c
@@ -148,7 +148,7 @@ static PyMethodDef Custom_methods[] = {
 static PyTypeObject CustomType = {
     PyVarObject_HEAD_INIT(NULL, 0)
     .tp_name = "custom3.Custom",
-    .tp_doc = "Custom objects",
+    .tp_doc = PyDoc_STR("Custom objects"),
     .tp_basicsize = sizeof(CustomObject),
     .tp_itemsize = 0,
     .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
diff --git a/Doc/includes/custom4.c b/Doc/includes/custom4.c
index 584992fc5f1a8..c7ee55578488e 100644
--- a/Doc/includes/custom4.c
+++ b/Doc/includes/custom4.c
@@ -160,7 +160,7 @@ static PyMethodDef Custom_methods[] = {
 static PyTypeObject CustomType = {
     PyVarObject_HEAD_INIT(NULL, 0)
     .tp_name = "custom4.Custom",
-    .tp_doc = "Custom objects",
+    .tp_doc = PyDoc_STR("Custom objects"),
     .tp_basicsize = sizeof(CustomObject),
     .tp_itemsize = 0,
     .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
diff --git a/Doc/includes/sublist.c b/Doc/includes/sublist.c
index b2c26e73ebaf7..b36dadf07eae8 100644
--- a/Doc/includes/sublist.c
+++ b/Doc/includes/sublist.c
@@ -31,7 +31,7 @@ SubList_init(SubListObject *self, PyObject *args, PyObject *kwds)
 static PyTypeObject SubListType = {
     PyVarObject_HEAD_INIT(NULL, 0)
     .tp_name = "sublist.SubList",
-    .tp_doc = "SubList objects",
+    .tp_doc = PyDoc_STR("SubList objects"),
     .tp_basicsize = sizeof(SubListObject),
     .tp_itemsize = 0,
     .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-03-08-21-59-57.bpo-46962.UomDfz.rst b/Misc/NEWS.d/next/Core and Builtins/2022-03-08-21-59-57.bpo-46962.UomDfz.rst
new file mode 100644
index 0000000000000..395c9b3d8f526
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2022-03-08-21-59-57.bpo-46962.UomDfz.rst	
@@ -0,0 +1,10 @@
+Classes and functions that unconditionally declared their docstrings
+ignoring the `--without-doc-strings` compilation flag no longer do so.
+
+The classes affected are :class:`ctypes.UnionType`,
+:class:`pickle.PickleBuffer`, :class:`testcapi.RecursingInfinitelyError`,
+and :class:`types.GenericAlias`.
+
+The functions affected are 24 methods in :mod:`ctypes`.
+
+Patch by Oleg Iarygin.
diff --git a/Misc/NEWS.d/next/Documentation/2022-03-08-22-10-38.bpo-46962.FIVe9I.rst b/Misc/NEWS.d/next/Documentation/2022-03-08-22-10-38.bpo-46962.FIVe9I.rst
new file mode 100644
index 0000000000000..f5b54013bd672
--- /dev/null
+++ b/Misc/NEWS.d/next/Documentation/2022-03-08-22-10-38.bpo-46962.FIVe9I.rst
@@ -0,0 +1,4 @@
+All docstrings in code snippets are now wrapped into :func:`PyDoc_STR` to
+follow the guideline of `PEP 7's Documentation Strings paragraph
+<https://www.python.org/dev/peps/pep-0007/#documentation-strings>`_. Patch
+by Oleg Iarygin.
diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index 5f8a723f6373a..84378c40357b0 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -187,7 +187,7 @@ static PyTypeObject DictRemover_Type = {
     0,                                          /* tp_as_buffer */
 /* XXX should participate in GC? */
     Py_TPFLAGS_DEFAULT,                         /* tp_flags */
-    "deletes a key from a dictionary",          /* tp_doc */
+    PyDoc_STR("deletes a key from a dictionary"), /* tp_doc */
     0,                                          /* tp_traverse */
     0,                                          /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -570,8 +570,8 @@ UnionType_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return StructUnionType_new(type, args, kwds, 0);
 }
 
-static const char from_address_doc[] =
-"C.from_address(integer) -> C instance\naccess a C instance at the specified address";
+PyDoc_STRVAR(from_address_doc,
+"C.from_address(integer) -> C instance\naccess a C instance at the specified address");
 
 static PyObject *
 CDataType_from_address(PyObject *type, PyObject *value)
@@ -588,8 +588,8 @@ CDataType_from_address(PyObject *type, PyObject *value)
     return PyCData_AtAddress(type, buf);
 }
 
-static const char from_buffer_doc[] =
-"C.from_buffer(object, offset=0) -> C instance\ncreate a C instance from a writeable buffer";
+PyDoc_STRVAR(from_buffer_doc,
+"C.from_buffer(object, offset=0) -> C instance\ncreate a C instance from a writeable buffer");
 
 static int
 KeepRef(CDataObject *target, Py_ssize_t index, PyObject *keep);
@@ -668,8 +668,8 @@ CDataType_from_buffer(PyObject *type, PyObject *args)
     return result;
 }
 
-static const char from_buffer_copy_doc[] =
-"C.from_buffer_copy(object, offset=0) -> C instance\ncreate a C instance from a readable buffer";
+PyDoc_STRVAR(from_buffer_copy_doc,
+"C.from_buffer_copy(object, offset=0) -> C instance\ncreate a C instance from a readable buffer");
 
 static PyObject *
 GenericPyCData_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
@@ -719,8 +719,8 @@ CDataType_from_buffer_copy(PyObject *type, PyObject *args)
     return result;
 }
 
-static const char in_dll_doc[] =
-"C.in_dll(dll, name) -> C instance\naccess a C instance in a dll";
+PyDoc_STRVAR(in_dll_doc,
+"C.in_dll(dll, name) -> C instance\naccess a C instance in a dll");
 
 static PyObject *
 CDataType_in_dll(PyObject *type, PyObject *args)
@@ -781,8 +781,8 @@ CDataType_in_dll(PyObject *type, PyObject *args)
     return PyCData_AtAddress(type, address);
 }
 
-static const char from_param_doc[] =
-"Convert a Python object into a function call parameter.";
+PyDoc_STRVAR(from_param_doc,
+"Convert a Python object into a function call parameter.");
 
 static PyObject *
 CDataType_from_param(PyObject *type, PyObject *value)
@@ -936,7 +936,7 @@ PyTypeObject PyCStructType_Type = {
     PyCStructType_setattro,                     /* tp_setattro */
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /* tp_flags */
-    "metatype for the CData Objects",           /* tp_doc */
+    PyDoc_STR("metatype for the CData Objects"), /* tp_doc */
     (traverseproc)CDataType_traverse,           /* tp_traverse */
     (inquiry)CDataType_clear,                   /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -978,7 +978,7 @@ static PyTypeObject UnionType_Type = {
     UnionType_setattro,                         /* tp_setattro */
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /* tp_flags */
-    "metatype for the CData Objects",           /* tp_doc */
+    PyDoc_STR("metatype for the CData Objects"), /* tp_doc */
     (traverseproc)CDataType_traverse,           /* tp_traverse */
     (inquiry)CDataType_clear,                   /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -1236,7 +1236,7 @@ PyTypeObject PyCPointerType_Type = {
     0,                                          /* tp_setattro */
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /* tp_flags */
-    "metatype for the Pointer Objects",         /* tp_doc */
+    PyDoc_STR("metatype for the Pointer Objects"), /* tp_doc */
     (traverseproc)CDataType_traverse,           /* tp_traverse */
     (inquiry)CDataType_clear,                   /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -1648,7 +1648,7 @@ PyTypeObject PyCArrayType_Type = {
     0,                                          /* tp_setattro */
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "metatype for the Array Objects",           /* tp_doc */
+    PyDoc_STR("metatype for the Array Objects"), /* tp_doc */
     0,                                          /* tp_traverse */
     0,                                          /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -2342,7 +2342,7 @@ PyTypeObject PyCSimpleType_Type = {
     0,                                          /* tp_setattro */
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "metatype for the PyCSimpleType Objects",           /* tp_doc */
+    PyDoc_STR("metatype for the PyCSimpleType Objects"), /* tp_doc */
     0,                                          /* tp_traverse */
     0,                                          /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -2624,7 +2624,7 @@ PyTypeObject PyCFuncPtrType_Type = {
     0,                                          /* tp_setattro */
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /* tp_flags */
-    "metatype for C function pointers",         /* tp_doc */
+    PyDoc_STR("metatype for C function pointers"), /* tp_doc */
     (traverseproc)CDataType_traverse,           /* tp_traverse */
     (inquiry)CDataType_clear,                   /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -2929,7 +2929,7 @@ PyTypeObject PyCData_Type = {
     0,                                          /* tp_setattro */
     &PyCData_as_buffer,                         /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "XXX to be provided",                       /* tp_doc */
+    PyDoc_STR("XXX to be provided"),            /* tp_doc */
     (traverseproc)PyCData_traverse,             /* tp_traverse */
     (inquiry)PyCData_clear,                     /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -4327,7 +4327,7 @@ PyTypeObject PyCFuncPtr_Type = {
     0,                                          /* tp_setattro */
     &PyCData_as_buffer,                         /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "Function Pointer",                         /* tp_doc */
+    PyDoc_STR("Function Pointer"),              /* tp_doc */
     (traverseproc)PyCFuncPtr_traverse,          /* tp_traverse */
     (inquiry)PyCFuncPtr_clear,                  /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -4479,7 +4479,7 @@ static PyTypeObject Struct_Type = {
     0,                                          /* tp_setattro */
     &PyCData_as_buffer,                         /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "Structure base class",                     /* tp_doc */
+    PyDoc_STR("Structure base class"),          /* tp_doc */
     (traverseproc)PyCData_traverse,             /* tp_traverse */
     (inquiry)PyCData_clear,                     /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -4521,7 +4521,7 @@ static PyTypeObject Union_Type = {
     0,                                          /* tp_setattro */
     &PyCData_as_buffer,                         /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "Union base class",                         /* tp_doc */
+    PyDoc_STR("Union base class"),              /* tp_doc */
     (traverseproc)PyCData_traverse,             /* tp_traverse */
     (inquiry)PyCData_clear,                     /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -4841,7 +4841,7 @@ PyTypeObject PyCArray_Type = {
     0,                                          /* tp_setattro */
     &PyCData_as_buffer,                         /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "XXX to be provided",                       /* tp_doc */
+    PyDoc_STR("XXX to be provided"),            /* tp_doc */
     (traverseproc)PyCData_traverse,             /* tp_traverse */
     (inquiry)PyCData_clear,                     /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -5060,7 +5060,7 @@ static PyTypeObject Simple_Type = {
     0,                                          /* tp_setattro */
     &PyCData_as_buffer,                         /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "XXX to be provided",                       /* tp_doc */
+    PyDoc_STR("XXX to be provided"),            /* tp_doc */
     (traverseproc)PyCData_traverse,             /* tp_traverse */
     (inquiry)PyCData_clear,                     /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -5442,7 +5442,7 @@ PyTypeObject PyCPointer_Type = {
     0,                                          /* tp_setattro */
     &PyCData_as_buffer,                         /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "XXX to be provided",                       /* tp_doc */
+    PyDoc_STR("XXX to be provided"),            /* tp_doc */
     (traverseproc)PyCData_traverse,             /* tp_traverse */
     (inquiry)PyCData_clear,                     /* tp_clear */
     0,                                          /* tp_richcompare */
@@ -5469,12 +5469,12 @@ PyTypeObject PyCPointer_Type = {
  *  Module initialization.
  */
 
-static const char module_docs[] =
-"Create and manipulate C compatible data types in Python.";
+PyDoc_STRVAR(_ctypes__doc__,
+"Create and manipulate C compatible data types in Python.");
 
 #ifdef MS_WIN32
 
-static const char comerror_doc[] = "Raised when a COM method call failed.";
+PyDoc_STRVAR(comerror_doc, "Raised when a COM method call failed.");
 
 int
 comerror_init(PyObject *self, PyObject *args, PyObject *kwds)
@@ -5663,7 +5663,7 @@ wstring_at(const wchar_t *ptr, int size)
 static struct PyModuleDef _ctypesmodule = {
     PyModuleDef_HEAD_INIT,
     .m_name = "_ctypes",
-    .m_doc = module_docs,
+    .m_doc = _ctypes__doc__,
     .m_size = -1,
     .m_methods = _ctypes_module_methods,
 };
diff --git a/Modules/_ctypes/callbacks.c b/Modules/_ctypes/callbacks.c
index 5a4d1c543f100..c0ff7891c9a47 100644
--- a/Modules/_ctypes/callbacks.c
+++ b/Modules/_ctypes/callbacks.c
@@ -65,7 +65,7 @@ PyTypeObject PyCThunk_Type = {
     0,                                          /* tp_setattro */
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,                            /* tp_flags */
-    "CThunkObject",                             /* tp_doc */
+    PyDoc_STR("CThunkObject"),                  /* tp_doc */
     CThunkObject_traverse,                      /* tp_traverse */
     CThunkObject_clear,                         /* tp_clear */
     0,                                          /* tp_richcompare */
diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c
index ddf289e3e8f60..48694760dbedf 100644
--- a/Modules/_ctypes/callproc.c
+++ b/Modules/_ctypes/callproc.c
@@ -1312,11 +1312,11 @@ _parse_voidp(PyObject *obj, void **address)
 
 #ifdef MS_WIN32
 
-static const char format_error_doc[] =
+PyDoc_STRVAR(format_error_doc,
 "FormatError([integer]) -> string\n\
 \n\
 Convert a win32 error code into a string. If the error code is not\n\
-given, the return value of a call to GetLastError() is used.\n";
+given, the return value of a call to GetLastError() is used.\n");
 static PyObject *format_error(PyObject *self, PyObject *args)
 {
     PyObject *result;
@@ -1336,13 +1336,13 @@ static PyObject *format_error(PyObject *self, PyObject *args)
     return result;
 }
 
-static const char load_library_doc[] =
+PyDoc_STRVAR(load_library_doc,
 "LoadLibrary(name, load_flags) -> handle\n\
 \n\
 Load an executable (usually a DLL), and return a handle to it.\n\
 The handle may be used to locate exported functions in this\n\
 module. load_flags are as defined for LoadLibraryEx in the\n\
-Windows API.\n";
+Windows API.\n");
 static PyObject *load_library(PyObject *self, PyObject *args)
 {
     PyObject *nameobj;
@@ -1387,10 +1387,10 @@ static PyObject *load_library(PyObject *self, PyObject *args)
 #endif
 }
 
-static const char free_library_doc[] =
+PyDoc_STRVAR(free_library_doc,
 "FreeLibrary(handle) -> void\n\
 \n\
-Free the handle of an executable previously loaded by LoadLibrary.\n";
+Free the handle of an executable previously loaded by LoadLibrary.\n");
 static PyObject *free_library(PyObject *self, PyObject *args)
 {
     void *hMod;
@@ -1410,8 +1410,8 @@ static PyObject *free_library(PyObject *self, PyObject *args)
     Py_RETURN_NONE;
 }
 
-static const char copy_com_pointer_doc[] =
-"CopyComPointer(src, dst) -> HRESULT value\n";
+PyDoc_STRVAR(copy_com_pointer_doc,
+"CopyComPointer(src, dst) -> HRESULT value\n");
 
 static PyObject *
 copy_com_pointer(PyObject *self, PyObject *args)
@@ -1649,10 +1649,10 @@ call_cdeclfunction(PyObject *self, PyObject *args)
 /*****************************************************************
  * functions
  */
-static const char sizeof_doc[] =
+PyDoc_STRVAR(sizeof_doc,
 "sizeof(C type) -> integer\n"
 "sizeof(C instance) -> integer\n"
-"Return the size in bytes of a C instance";
+"Return the size in bytes of a C instance");
 
 static PyObject *
 sizeof_func(PyObject *self, PyObject *obj)
@@ -1670,10 +1670,10 @@ sizeof_func(PyObject *self, PyObject *obj)
     return NULL;
 }
 
-static const char alignment_doc[] =
+PyDoc_STRVAR(alignment_doc,
 "alignment(C type) -> integer\n"
 "alignment(C instance) -> integer\n"
-"Return the alignment requirements of a C instance";
+"Return the alignment requirements of a C instance");
 
 static PyObject *
 align_func(PyObject *self, PyObject *obj)
@@ -1693,10 +1693,10 @@ align_func(PyObject *self, PyObject *obj)
     return NULL;
 }
 
-static const char byref_doc[] =
+PyDoc_STRVAR(byref_doc,
 "byref(C instance[, offset=0]) -> byref-object\n"
 "Return a pointer lookalike to a C instance, only usable\n"
-"as function argument";
+"as function argument");
 
 /*
  * We must return something which can be converted to a parameter,
@@ -1737,9 +1737,9 @@ byref(PyObject *self, PyObject *args)
     return (PyObject *)parg;
 }
 
-static const char addressof_doc[] =
+PyDoc_STRVAR(addressof_doc,
 "addressof(C instance) -> integer\n"
-"Return the address of the C instance internal buffer";
+"Return the address of the C instance internal buffer");
 
 static PyObject *
 addressof(PyObject *self, PyObject *obj)
diff --git a/Modules/_ctypes/cfield.c b/Modules/_ctypes/cfield.c
index ec6feca8b0f80..534ec94400128 100644
--- a/Modules/_ctypes/cfield.c
+++ b/Modules/_ctypes/cfield.c
@@ -318,7 +318,7 @@ PyTypeObject PyCField_Type = {
     0,                                          /* tp_setattro */
     0,                                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */
-    "Structure/Union member",                   /* tp_doc */
+    PyDoc_STR("Structure/Union member"),        /* tp_doc */
     (traverseproc)PyCField_traverse,                    /* tp_traverse */
     (inquiry)PyCField_clear,                            /* tp_clear */
     0,                                          /* tp_richcompare */
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index c5c942820b66f..aaf29ad011544 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -6287,7 +6287,7 @@ static PyTypeObject PyRecursingInfinitelyError_Type = {
     0,                          /* tp_setattro */
     0,                          /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    "Instantiating this exception starts infinite recursion.", /* tp_doc */
+    PyDoc_STR("Instantiating this exception starts infinite recursion."), /* tp_doc */
     0,                          /* tp_traverse */
     0,                          /* tp_clear */
     0,                          /* tp_richcompare */
diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index dbe5d89b73962..f52bc974f4d81 100644
--- a/Objects/genericaliasobject.c
+++ b/Objects/genericaliasobject.c
@@ -349,6 +349,11 @@ _Py_subs_parameters(PyObject *self, PyObject *args, PyObject *parameters, PyObje
     return newargs;
 }
 
+PyDoc_STRVAR(genericalias__doc__,
+"Represent a PEP 585 generic type\n"
+"\n"
+"E.g. for t = list[int], t.__origin__ is list and t.__args__ is (int,).");
+
 static PyObject *
 ga_getitem(PyObject *self, PyObject *item)
 {
@@ -628,14 +633,11 @@ static PyNumberMethods ga_as_number = {
 
 // TODO:
 // - argument clinic?
-// - __doc__?
 // - cache?
 PyTypeObject Py_GenericAliasType = {
     PyVarObject_HEAD_INIT(&PyType_Type, 0)
     .tp_name = "types.GenericAlias",
-    .tp_doc = "Represent a PEP 585 generic type\n"
-              "\n"
-              "E.g. for t = list[int], t.__origin__ is list and t.__args__ is (int,).",
+    .tp_doc = genericalias__doc__,
     .tp_basicsize = sizeof(gaobject),
     .tp_dealloc = ga_dealloc,
     .tp_repr = ga_repr,
diff --git a/Objects/picklebufobject.c b/Objects/picklebufobject.c
index a135e5575e28c..aaa852cfbb05b 100644
--- a/Objects/picklebufobject.c
+++ b/Objects/picklebufobject.c
@@ -206,7 +206,7 @@ static PyMethodDef picklebuf_methods[] = {
 PyTypeObject PyPickleBuffer_Type = {
     PyVarObject_HEAD_INIT(NULL, 0)
     .tp_name = "pickle.PickleBuffer",
-    .tp_doc = "Wrapper for potentially out-of-band buffers",
+    .tp_doc = PyDoc_STR("Wrapper for potentially out-of-band buffers"),
     .tp_basicsize = sizeof(PyPickleBufferObject),
     .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
     .tp_new = picklebuf_new,
diff --git a/Objects/unionobject.c b/Objects/unionobject.c
index 80c70389ab30d..6d8bb02142192 100644
--- a/Objects/unionobject.c
+++ b/Objects/unionobject.c
@@ -447,9 +447,9 @@ union_getattro(PyObject *self, PyObject *name)
 PyTypeObject _PyUnion_Type = {
     PyVarObject_HEAD_INIT(&PyType_Type, 0)
     .tp_name = "types.UnionType",
-    .tp_doc = "Represent a PEP 604 union type\n"
+    .tp_doc = PyDoc_STR("Represent a PEP 604 union type\n"
               "\n"
-              "E.g. for int | str",
+              "E.g. for int | str"),
     .tp_basicsize = sizeof(unionobject),
     .tp_dealloc = unionobject_dealloc,
     .tp_alloc = PyType_GenericAlloc,



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